.mhy-toast {
  position: fixed;
  top: 50%;
  left: 50%;
  -webkit-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  padding: 0.5rem 1rem;
  background-color: rgba(0, 0, 0, 0.65);
  line-height: 1.5;
  max-width: 60%;
  border-radius: 0.2rem;
  color: #fff;
  z-index: 9999;
  font-size: 14px;
}